Out of the choices given, the step that caused an aerobic atmosphere during the history of Earth was the origin of photosynthetic prokaryotes. The correct answer will be D.
Answer:
(3) completing a data table of expected results
Explanation:
Observation and research of the available literature about the process under study are some of the tasks done before experimentation. The data table of expected results is not to be made before any research.
Research and discussion on the basic information about the enzyme under study, the search of any experiments done on the same enzyme earlier gives insight about the enzyme. This is followed by making a hypothesis and setting the experiment to test the hypothesis.
Answer:
All weather would occur in the Troposphere layer. I hope this helps you! :)
meiosis is about making kids and are alsways different (except for twins)
mitosis is about your body cells and is always the same.
hope this helped
2 from the hydrogens on the water atom, and 2 for the 2 lone pairs of electrons on the oxygen atom attracting the hydrogen from another water atom.
